SSL-Tools

SSL check results of mail.cq-pc-doc.de

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Discover if the mail servers for mail.cq-pc-doc.de can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

JSON Refresh

Report created Fri, 29 May 2020 08:11:22 +0000

The mailservers of mail.cq-pc-doc.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.cq-pc-doc.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.cq-pc-doc.de
37.221.193.48
 -
supported
mail.cq-pc-doc.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @mail.cq-pc-doc.de address so far. Test mail delivery

Certificates

First seen at:

CN=mail.cq-pc-doc.de

Certificate chain
Subject
Common Name (CN)
  • mail.cq-pc-doc.de
Alternative Names
  • mail.cq-pc-doc.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-11
Not valid after
2020-08-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D5:0D:9E:56:16:0F:95:9A:8F:48:5A:64:FB:B4:56:DA:6F:FC:09:BB:1B:14:D1:3F:29:D0:32:01:A3:07:A9:2B
SHA1
88:05:7E:1D:C5:10:2E:F6:21:84:12:F4:27:87:68:DA:97:A0:85:12
X509v3 extensions
subjectKeyIdentifier
  • 39:70:5C:69:C4:55:A8:3A:FA:F4:D8:A2:1B:D0:C5:71:90:DB:81:86
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : May 11 08:47:19.199 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:D2:48:43:43:9E:7F:9F:BE:37:EA:D9:
  • BF:79:30:70:4A:B5:DE:D4:22:09:00:91:7D:91:7B:BA:
  • F6:83:E1:CD:21:02:20:13:53:57:28:DD:78:BC:0A:DC:
  • B9:0A:71:E8:D0:63:04:66:EB:35:59:F8:9E:9F:D9:E2:
  • 7A:A1:16:A2:01:F3:FC
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : May 11 08:47:19.199 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:80:34:C2:0B:8A:BB:8B:11:99:0F:9D:
  • 25:67:37:61:E7:FD:29:6C:52:7C:75:49:FF:B4:AB:1A:
  • 39:9C:33:74:9A:02:21:00:B5:43:F4:47:3C:C7:47:71:
  • 54:AA:87:04:B7:D2:D0:F1:AD:EC:69:E5:9B:57:38:3B:
  • C4:A0:7B:58:F0:59:23:87